Short Writing: Using RACE The circulatory, respiratory and digestive system work together to maintain homeostasis. Use RACE to explain how the circulatory, digestive and respiratory system work together to maintain homeostasis for a runner in a marathon.

Be sure to complete the followings:
Identify the function of each system.
Make a connection on how each system works together to maintain homeostasis.
Explain how all systems aid a runner in a marathon.